CN110212133B - Sealing and fixing structure for automobile battery pack box body and cooling water pipe joint - Google Patents
Sealing and fixing structure for automobile battery pack box body and cooling water pipe joint Download PDFInfo
- Publication number
- CN110212133B CN110212133B CN201910554667.9A CN201910554667A CN110212133B CN 110212133 B CN110212133 B CN 110212133B CN 201910554667 A CN201910554667 A CN 201910554667A CN 110212133 B CN110212133 B CN 110212133B
- Authority
- CN
- China
- Prior art keywords
- cooling water
- water pipe
- pipe joint
- box body
- double
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
- F16L5/10—Sealing by using sealing rings or sleeves only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention relates to a sealing and fixing structure of an automobile battery pack box body and a cooling water pipe joint, which comprises a double-layer battery box body and the cooling water pipe joint and is characterized in that mounting through holes matched with the cooling water pipe joint are processed on the inner wall and the outer wall of the double-layer battery box body respectively, the cooling water pipe joint is fixedly connected with the inner wall of the double-layer battery box body in a sealing way, and the cooling water pipe joint is fixedly connected with the outer wall of the double-layer battery box body in a fastening way, so that the single-layer sealing and double-layer fixing of the cooling water pipe joint and the double-layer battery box body are realized. The invention has convenient installation and small occupied space for installation and use, realizes single-layer sealing and double-layer fixing of the cooling water pipe joint and the double-layer battery box body, ensures that the sealing performance of the inner side is not influenced after the outer pipe joint of the cooling water pipe joint is stressed, and has good sealing performance; meanwhile, the strength of the cooling water pipe joint and the double-layer battery box body is ensured.
Description
Technical Field
The invention belongs to the technical field of power battery systems of electric vehicles, and particularly relates to a sealing and fixing structure for a box body of an automobile battery pack and a joint of a cooling water pipe.
Background
The new energy electric automobile is a new industry advocated by the nation and is a great direction for the development of global automobiles in the future. With the development of electric vehicle technology, the cooling requirements for the battery pack of the electric vehicle are also continuously increased. The water cooling technology is a cooling technology based on liquid heat exchange, and has higher efficiency than the air cooling technology, so that the temperature in the battery pack of the electric automobile is more uniform; with the continuous progress of the technology of the new energy power battery heat dissipation system in China, the water cooling product gradually replaces the air cooling product.
At present, in battery water cooling systems at home and abroad, a sealing and fixing structure of a water inlet and outlet pipe (a cooling water pipe joint) and a battery pack box body has the defects of poor sealing performance, poor strength of the water inlet and outlet pipe, large use space, influence on structural strength of the box body and the like.
Disclosure of Invention
In order to solve the problems, the invention designs a sealing and fixing structure for a box body of an automobile battery pack and a pipe joint of a cooling water pipe.
In order to solve the existing problems, the invention adopts the following technical scheme:
the utility model provides a car battery package box and sealed fixed knot of cooling water pipe coupling constructs, includes double-deck battery box and cooling water pipe coupling, all process on the inside and outside wall of double-deck battery box with the installation via hole that cooling water pipe coupling matches, cooling water pipe coupling with the sealed fixed connection of inner wall of double-deck battery box, cooling water pipe coupling with the outer wall fastening of double-deck battery box is connected, thereby realizes cooling water pipe coupling with the individual layer of double-deck battery box is sealed, the bilayer is fixed.
Furthermore, an external thread structure is arranged at the matching position of the cooling water pipe joint and the outer wall of the double-layer battery box body so as to be matched with a mounting nut I on the outer side of the box body; and an annular connecting boss is arranged at the matching position of the cooling water pipe joint and the inner wall of the double-layer battery box body, and the annular connecting boss is tightly and tightly connected with the inner wall of the double-layer battery box body in a sealing manner.
Furthermore, a sealing ring mounting groove is formed in the end face, matched with the inner wall of the double-layer battery box body, of the annular connecting boss to mount a sealing ring; and the annular connecting boss is provided with a connecting through hole for a connecting screw to pass through, and the connecting screw is matched with a corresponding box body inner side mounting nut II.
Furthermore, the connecting screw or the nut II arranged on the inner side of the box body is welded on the inner wall of the double-layer battery box body in an embedding manner.
Furthermore, two or more than two small bosses are uniformly distributed on the outer cylindrical surface of the annular connecting boss, and the small bosses are provided with the connecting through holes.
Furthermore, the outer cylindrical surface of the annular connecting boss is also provided with a temperature sensor fixing hole.
Further, the sealing ring is a rubber sealing ring.
Further, the cooling water pipe joint is formed by high-pressure cast aluminum.
This sealed fixed knot of car battery package box and cooling water pipe coupling constructs has following beneficial effect:
(1) according to the invention, single-layer sealing and double-layer fixing of the cooling water pipe joint and the double-layer battery box body are realized, so that the sealing performance of the inner side is not influenced after the outer pipe head of the cooling water pipe joint is stressed, and the sealing performance is good.
(2) According to the invention, the double-layer fixation of the cooling water pipe joint and the double-layer battery box body is realized, the butt joint length of the outside of the cooling water pipe joint and the whole vehicle pipeline can be increased, the strength of the pipe joint cannot be influenced, and the strength of the cooling water pipe joint is ensured.
(3) According to the double-layer battery box, the round mounting through hole matched with the cooling water pipe joint is formed in the inner side wall of the double-layer battery box, double-layer fixing of the cooling water pipe joint and the double-layer battery box is achieved, the through hole is small, double-layer fixing is achieved, the strength of the double-layer battery box is not affected, and the strength of the double-layer battery box is guaranteed.
(4) According to the invention, the cooling water pipe joint and the corresponding nut are fixed on the outer side of the outer wall of the double-layer battery box body through the external thread, and two connecting screws and the corresponding nut are welded on the inner side of the double-layer battery box body and fixed on the inner side of the inner wall of the double-layer battery box body.
Drawings
FIG. 1: the structure schematic diagram of the sealing and fixing structure of the automobile battery pack box body and the cooling water pipe joint in the embodiment of the invention;
FIG. 2: the explosion diagram of the sealing and fixing structure of the automobile battery pack box body and the cooling water pipe joint in the embodiment of the invention;
FIG. 3: the structure schematic diagram of the cooling water pipe joint in the embodiment of the invention;
FIG. 4: fig. 3 is a sectional view taken along line a-a.
Description of reference numerals:
1, mounting a nut I on the outer side of the box body; 2-double-layer battery box; 3-connecting screws; 4, sealing rings; 5, cooling water pipe joint; 51-external thread structure; 52-annular connecting boss; 521-temperature sensor fixing hole; 522-sealing ring mounting groove; 523-connecting through holes; 6, a nut II is arranged on the inner side of the box body.
Detailed Description
The invention will be further explained with reference to the accompanying drawings:
fig. 1 to 4 show an embodiment of a sealing and fixing structure of an automobile battery pack case and a cooling water pipe joint according to the present invention. Fig. 1 and 2 are schematic structural views of a sealing and fixing structure of an automobile battery pack case and a cooling water pipe joint in the embodiment; fig. 3 and 4 are schematic structural views of the cooling water pipe joint according to the present embodiment.
As shown in fig. 1 and fig. 2, the sealing and fixing structure for the automobile battery pack box and the cooling water pipe joint in the present embodiment includes a double-layer battery box 2 and a cooling water pipe joint 5, wherein installation via holes matched with the cooling water pipe joint 5 are processed on the inner wall and the outer wall of the double-layer battery box 2, the cooling water pipe joint 5 is fixedly connected with the inner wall of the double-layer battery box 2 in a sealing manner, and the cooling water pipe joint 5 is fixedly connected with the outer wall of the double-layer battery box 2, so that single-layer sealing and double-layer fixing of the cooling water pipe joint 5 and the double-layer battery box 2 are realized.
Preferably, an external thread structure 51 is arranged at the matching position of the cooling water pipe joint 5 and the outer wall of the double-layer battery box body 2 so as to be matched with a mounting nut I1 on the outer side of the box body; an annular connecting boss 52 is arranged at the matching position of the cooling water pipe joint 5 and the inner wall of the double-layer battery box body 2, and the annular connecting boss 52 is tightly and tightly connected with the inner wall of the double-layer battery box body 2 in a sealing manner, as shown in fig. 1 to 4.
Preferably, a sealing ring mounting groove 522 is arranged on the end surface of the annular connecting boss 52 matched with the inner wall of the double-layer battery box body 2 to mount the sealing ring 4; the annular connecting boss 52 is provided with a connecting through hole 523 for the connecting screw 3 to pass through, and the connecting screw 3 is matched with the corresponding box inner side mounting nut II 6, as shown in fig. 1 to 4.
Preferably, the connecting screw 3 or the box inner side mounting nut II 6 is welded on the inner wall of the double-layer battery box 2 in an implantation mode. In this embodiment, a method of welding the connection screw 3 to the inner wall of the double-layer battery case 2 is adopted, as shown in fig. 1 to 2.
Preferably, two or more small bosses are uniformly distributed on the outer cylindrical surface of the annular connecting boss 52, and the small bosses are provided with connecting through holes 523. In this embodiment, there are two small bosses, as shown in fig. 2 and 3.
Preferably, the outer cylindrical surface of the annular coupling boss 52 is further provided with a temperature sensor fixing hole 521, as shown in fig. 2 to 4. In this embodiment, the center line of the temperature sensor fixing hole 521 is perpendicular to the outer cylindrical surface of the annular coupling boss 52.
In the embodiment, the sealing ring 4 is a rubber sealing ring, so that the quality is high and the price is low.
In this embodiment, the cooling water pipe joint 5 is formed by high-pressure cast aluminum, and then the external thread structure 51 is machined and used for matching with the mounting nut i 1 on the outer side of the box body.
In specific implementation, the cooling water pipe joint 5 is formed by high-pressure cast aluminum, and then the external thread structure 51 is machined and used for matching with the mounting nut I1 on the outer side of the box body to fix the rubber sealing ring 4 on the cooling water pipe joint 5; a circular mounting through hole matched with the cooling water pipe joint 5 is formed in the inner side wall and the outer side wall of the double-layer battery box body 2, the diameter of the mounting through hole is matched with the diameter of the main body part of the cooling water pipe joint 5, and two connecting screws 3 are implanted and welded on the inner side of the box body; the cooling water pipe joint 5 is installed on the double-layer battery box body 2, the external thread structure 51 of the cooling water pipe joint 5 is screwed up by using the box body outer side installation nut I1, and then the box body inner side installation nut II 6 is fixed on the connecting screw 3 which is welded on the box body inner side in an embedding mode and compresses the cooling water pipe joint 5.
According to the invention, single-layer sealing and double-layer fixing of the cooling water pipe joint and the double-layer battery box body are realized, so that the sealing performance of the inner side is not influenced after the outer pipe head of the cooling water pipe joint is stressed, and the sealing performance is good.
According to the invention, the double-layer fixation of the cooling water pipe joint and the double-layer battery box body is realized, the butt joint length of the outside of the cooling water pipe joint and the whole vehicle pipeline can be increased, the strength of the pipe joint cannot be influenced, the strength of the cooling water pipe joint is ensured, and the using effect is good.
According to the double-layer battery box, the round mounting through hole matched with the cooling water pipe joint is formed in the inner side wall of the double-layer battery box, double-layer fixing of the cooling water pipe joint and the double-layer battery box is achieved, the through hole is small, double-layer fixing is achieved, the strength of the double-layer battery box is not affected, and the strength of the double-layer battery box is guaranteed.
According to the invention, the cooling water pipe joint and the corresponding nut are fixed on the outer side of the outer wall of the double-layer battery box body through the external thread, and two connecting screws and the corresponding nut are welded on the inner side of the double-layer battery box body and fixed on the inner side of the inner wall of the double-layer battery box body.
The invention is described above with reference to the accompanying drawings, it is obvious that the implementation of the invention is not limited in the above manner, and it is within the scope of the invention to adopt various modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (7)
1. A sealing and fixing structure of an automobile battery pack box body and a cooling water pipe joint comprises a double-layer battery box body and the cooling water pipe joint, and is characterized in that mounting through holes matched with the cooling water pipe joint are processed on the inner wall and the outer wall of the double-layer battery box body respectively, and an external thread structure is arranged at the matching position of the cooling water pipe joint and the outer wall of the double-layer battery box body to be matched with a mounting nut I on the outer side of the box body; the cooling water pipe joint is fixedly connected with the inner wall of the double-layer battery box body in a sealing manner, and the cooling water pipe joint is fixedly connected with the outer wall of the double-layer battery box body in a fastening manner, so that single-layer sealing and double-layer fixing of the cooling water pipe joint and the double-layer battery box body are realized.
2. The sealing and fixing structure for the automobile battery pack box and the cooling water pipe joint as claimed in claim 1, wherein a sealing ring mounting groove is formed in an end face of the annular connecting boss, which is matched with the inner wall of the double-layer battery box, for mounting a sealing ring; and the annular connecting boss is provided with a connecting through hole for a connecting screw to pass through, and the connecting screw is matched with a corresponding box body inner side mounting nut II.
3. The sealing and fixing structure for the automobile battery pack box body and the pipe joint of the cooling water pipe as claimed in claim 2, wherein the connecting screw or the box body inner side mounting nut II is welded on the inner wall of the double-layer battery box body in an embedding manner.
4. The sealing and fixing structure for the automobile battery pack box and the cooling water pipe joint as claimed in claim 2 or 3, wherein more than two small bosses are uniformly distributed on the outer cylindrical surface of the annular connecting boss, and the connecting through holes are formed in the small bosses.
5. The sealing and fixing structure for the automobile battery pack box and the cooling water pipe joint as claimed in claim 1, 2 or 3, wherein a temperature sensor fixing hole is further formed in the outer cylindrical surface of the annular connecting boss.
6. The sealing and fixing structure for the automobile battery pack box and the cooling water pipe joint as claimed in claim 2, wherein the sealing ring is a rubber sealing ring.
7. The sealing and fixing structure of the battery pack box and the cooling water pipe joint of the automobile according to claim 1, 2, 3 or 6, wherein the cooling water pipe joint is formed by high-pressure cast aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910554667.9A CN110212133B (en) | 2019-06-25 | 2019-06-25 | Sealing and fixing structure for automobile battery pack box body and cooling water pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910554667.9A CN110212133B (en) | 2019-06-25 | 2019-06-25 | Sealing and fixing structure for automobile battery pack box body and cooling water pipe joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110212133A CN110212133A (en) | 2019-09-06 |
| CN110212133B true CN110212133B (en) | 2021-02-05 |
Family
ID=67794581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910554667.9A Active CN110212133B (en) | 2019-06-25 | 2019-06-25 | Sealing and fixing structure for automobile battery pack box body and cooling water pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110212133B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111180831A (en) * | 2020-02-14 | 2020-05-19 | 威马智慧出行科技（上海）有限公司 | Single-channel sealing connection device |
| CN112178316A (en) * | 2020-09-30 | 2021-01-05 | 东风马勒热系统有限公司 | Sealing joint of liquid cooling pipeline and power battery pack and mounting structure thereof |
| KR20220060817A (en) * | 2020-11-05 | 2022-05-12 | 주식회사 엘지에너지솔루션 | Coolant port assembly |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2760064B1 (en) * | 1997-02-25 | 2002-10-25 | Fluoroware Inc | THREADED CONNECTION AND DOUBLE CONTAINMENT SYSTEM |
| KR101800067B1 (en) * | 2014-07-31 | 2017-11-21 | 주식회사 엘지화학 | Jig for refrigerant manifold |
| CN204316259U (en) * | 2015-01-19 | 2015-05-06 | 重庆长安汽车股份有限公司 | Be applicable to the cooling jacket of hybrid vehicle coupling mechanism |
| CN206369012U (en) * | 2016-12-13 | 2017-08-01 | 浙江汇明节能科技有限公司 | A kind of cold accumulating device by ice with detachable-type sealed structure |
| CN207052725U (en) * | 2017-07-22 | 2018-02-27 | 江阴标榜汽车部件股份有限公司 | The temperature sensing device being installed on Vehicular battery cooling line |
| CN207438000U (en) * | 2017-10-19 | 2018-06-01 | 长城汽车股份有限公司 | For the coolant pipe pipeline connector of battery pack and with its battery pack |
| CN209016205U (en) * | 2018-11-20 | 2019-06-21 | 宁德时代新能源科技股份有限公司 | Battery pouring-basket cooling system and battery pack |
-
2019
- 2019-06-25 CN CN201910554667.9A patent/CN110212133B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110212133A (en) | 2019-09-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110212133B (en) | Sealing and fixing structure for automobile battery pack box body and cooling water pipe joint | |
| CN204481638U (en) | One directly drives wheel hub motor | |
| CN201781450U (en) | Combined type thermoelectric generator | |
| CN213809303U (en) | Cooling water pipe joint convenient to install for vehicle | |
| CN112178316A (en) | Sealing joint of liquid cooling pipeline and power battery pack and mounting structure thereof | |
| CN210381697U (en) | Water cooling mechanism for new energy automobile | |
| CN114294554A (en) | Super-large super-long high-pressure hydrogen energy storage tank and preparation process thereof | |
| CN205542944U (en) | Power battery box and have its vehicle | |
| CN203731927U (en) | Collector fixing structure suitable for shell-and-tube heat exchanger | |
| CN210257205U (en) | Electromagnetic heating device of extruder | |
| CN206786185U (en) | Fastening structure in a kind of ring flange | |
| CN207116510U (en) | A kind of new-energy automobile battery bag lower house | |
| CN201735295U (en) | Washing tower sprinkler pipe inlet device | |
| CN216869247U (en) | Steam coil pipe of auxiliary reactor | |
| CN201672183U (en) | Pure aluminium connecting line for air conditioner | |
| CN201587291U (en) | Air faucet and tire pressure monitoring system comprising same | |
| CN214888780U (en) | Cooling coil mechanism for speed reducer | |
| CN216969329U (en) | New forms of energy thermal management five-way interface spare part | |
| CN211605991U (en) | Chlorinated polyvinyl chloride plastic cable protection pipe | |
| CN115155272B (en) | Natural gas boiler tail gas carbon capturing noise reduction reaction tower and system thereof | |
| CN218972048U (en) | Install battery box water injection well choke structure on box | |
| CN209401802U (en) | A kind of liquid cooling system of double-mold group | |
| CN216078635U (en) | Fixing structure for water inlet and outlet pipe of battery pack | |
| CN220302432U (en) | Light aluminum alloy low-pressure energy accumulator | |
| CN212511948U (en) | Sleeve type condenser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |